What do these graphs show? Nepean Dam is a relatively small dam of less than 2% of the overall capacity of the Sydney Dam system, the equivalent of about a month's supply for Sydney. Over the past few years its level has ranged from about half full to nearly completely full (in particular a spike in 2003). On several occasions in the past few years it has had events where 4% or more of the dam capacity has flowed into the dam in a single week. What is the history of the water level in Nepean Dam? This graphs shows how full (in percentage terms) Nepean Dam has been since November 2001. In particular, for the last month or so... This graph shows the net inflow (inflow minus usage) for Nepean Dam since November 2001. and a little more smooth... We also have these graphs as percentages of the capacity of Nepean Dam ... to get some idea of just how volatile the flows and levels can be To put the size of this dam in perspective, we give the history of the Nepeandam level as a percentage of the full sydney dam system: For more extensive and interesting analysis, please see our page on: Extensive analysis of Sydney's Dam levels Sydney dam levels main page This month dam level statistics Rainfall this week Trends of Sydney dam levels Usage and Inflow trends Firefox Extension (SydDams) Interactive Catchment Map Dam levels for individual dams Sydney Desalination plant impact on dam levels Reduced Usage impact on dam levels How to save water in Sydney General Information on Warragamba and Sydney's other Dams Home irrigation/watering systems in Sydney Old location of Sydney dam levels page Back to iliveinsydney.com Comments by visitors: Email webmaster@iliveinsydney.com if you need to contact the webmaster. I-live-in-sydney.com's subsite on Sydney's water is relevant to people interested in conserving water, rainwater tanks, irrigation, plumbing and plumbers. It can also be of interest to people examining water quality and filtering.